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Transcript of Chapter 7 McGraw-Hill/Irwin Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights...
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Chapter 7McGraw-Hill/Irwin Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved.
Networks, Telecommunications, and Mobile Technology
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Chapter 7
NETWORKS AND TELECOMMUNICATIONS
7-3
SECTION 7.1
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Chapter 7
INTRODUCTION
• Telecommunication system• Network
7-6
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Chapter 7
NETWORK BASICS
• Local area network (LAN) • Campus area network (CAN)• Metropolitan area network (MAN)• Wide area network (WAN)
7-7
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Chapter 7
VOICE OVER IP (VoIP)
7-9
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Chapter 7
NETWORKING BUSINESSES
• Customer and supplier interactions Customers now expect seamless retailing
between online and in-store
• Valued-added network (VAN)
7-10
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Chapter 7
INCREASING THE SPEED OF BUSINESS
• Bandwidth• Broadband
7-13
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Chapter 7
DATA SHARING
• Even more important than the sharing of technology resources is the sharing of data
7-17
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Chapter 7
SECURING BUSINESS NETWORKS
• Proper identification of users and authorization of network access
• The control of access and the protection of data integrity
7-16
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Chapter 7
VIRTUAL PRIVATE NETWORK (VPN)
7-11
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Chapter 7
MOBILE TECHNOLOGY
7-18
SECTION 7.2
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Chapter 7
BUSINESS DRIVERS FOR A MOBILE WORKFORCE
• Increase productivity, speed delivery to market, and reduce operating costs
7-21
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Chapter 7
BUSINESS DRIVERS FOR A MOBILE WORKFORCE
• Mobile• Wireless
7-22
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Chapter 7
USING CELLULAR TECHNOLOGIES IN BUSINESS
7-26
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Chapter 7
USING CELLULAR TECHNOLOGIES IN BUSINESS
• The latest trends in cell phones reflect a convergence of voice, video and data communications
7-28
http://obamapacman.com/2010/12/skype-releases-3g-video-calls-for-iphone-ipod-touch-ipad/
http://www.tgdaily.com/mobility-features/52397-ipad-set-to-fuel-explosion-in-data-traffic
freebusinesssoftware.org
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Chapter 7
PERSONAL DATA ASSISTANTS
• Personal digital assistants (PDA)• Smartphone
7-29
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Chapter 7
BLUETOOTH
7-30
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Chapter 7
USING SATELLITE TECHNOLOGIES IN BUSINESS
• Microwave• Satellite
7-31
news.satimagingcorp.com
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Chapter 7
USING SATELLITE TECHNOLOGIES IN BUSINESS
7-32
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Chapter 7
USING SATELLITE TECHNOLOGIES IN BUSINESS
• Geographic information system (GIS)• Location-based services (LBS)
7-33
http://www.havasdigital.com/wp-content/uploads/2011/03/Mobext_LBS_WhitePaper.pdf
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Chapter 7
GLOBAL POSITIONING SYSTEM (GPS)
7-36
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Chapter 7
USING WIRELESS TECHNOLOGIES IN BUSINESS
• Wireless fidelity (wi-fi)
• The main problem with Wi-Fi access is that hot spots are very small, so coverage is sparse
7-39
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Chapter 7
WiMAX
• WiMAX - is a telecommunications technology aimed at providing wireless data over long distances in a variety of ways, from point-to-point links to full mobile cellular type access
7-41
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Chapter 7
WiMAX
7-42
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Chapter 7
RADIO FREQUENCY IDENTIFICATION (RFID)
• Radio frequency identification (RFID)• RFID tag
7-45
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Chapter 7
MOBILE WORKFORCE TRENDS
• Social networking gets mobilized• Mobile TV• Cheaper and more versatile multi-function devices
• Location-based services• Mobile advertising• Wireless providers move into home entertainment
• Wireless security moves to the forefront• Enterprise mobility
7-47
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Chapter 7